loop3: detected capacity change from 0 to 4096 EXT4-fs error (device loop3): ext4_get_journal_inode:5148: inode #3: comm syz-executor.3: casefold flag without casefold feature general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017] CPU: 1 PID: 27029 Comm: syz-executor.3 Not tainted 5.15.74-syzkaller-04383-g7f2e600bf63a #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 RIP: 0010:__fscrypt_inode_uses_inline_crypto fs/crypto/inline_crypt.c:233 [inline] RIP: 0010:fscrypt_inode_uses_inline_crypto include/linux/fscrypt.h:798 [inline] RIP: 0010:fscrypt_limit_io_blocks+0xc7/0x2a0 fs/crypto/inline_crypt.c:477 Code: c4 c8 02 00 00 4d 89 e6 49 c1 ee 03 43 80 3c 2e 00 74 08 4c 89 e7 e8 18 90 db ff 49 8b 1c 24 48 83 c3 11 48 89 d8 48 c1 e8 03 <42> 8a 04 28 84 c0 0f 85 53 01 00 00 0f b6 1b 31 ff 89 de e8 51 46 RSP: 0018:ffffc900017a7260 EFLAGS: 00010202 RAX: 0000000000000002 RBX: 0000000000000011 RCX: 0000000000000002 RDX: ffff88816b7c13c0 RSI: 0000000000008000 RDI: 0000000000008000 RBP: ffffc900017a7290 R08: ffffffff81d84dff R09: ffffed102bf679a3 R10: ffffed102bf679a3 R11: 1ffff1102bf679a2 R12: ffff88815fb3d018 R13: dffffc0000000000 R14: 1ffff1102bf67a03 R15: 0000000000000001 FS: 00007f6b35e06700(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000008 CR3: 0000000119394000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000005 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Call Trace: ext4_iomap_begin+0xa05/0xd90 fs/ext4/inode.c:3476 iomap_iter+0x660/0x830 fs/iomap/iter.c:74 iomap_bmap+0x2b5/0x550 fs/iomap/fiemap.c:113 ext4_bmap+0x3b0/0x430 fs/ext4/inode.c:3216 bmap+0xa5/0xe0 fs/inode.c:1714 jbd2_journal_init_inode+0x9e/0x3f0 fs/jbd2/journal.c:1485 ext4_get_journal fs/ext4/super.c:5183 [inline] ext4_load_journal+0x30b/0x1440 fs/ext4/super.c:5317 ext4_fill_super+0x6241/0x9650 fs/ext4/super.c:4663 mount_bdev+0x280/0x3b0 fs/super.c:1368 ext4_mount+0x34/0x40 fs/ext4/super.c:6545 legacy_get_tree+0xf0/0x190 fs/fs_context.c:610 vfs_get_tree+0x88/0x290 fs/super.c:1498 do_new_mount+0x289/0xad0 fs/namespace.c:2994 path_mount+0x60b/0x1050 fs/namespace.c:3324 do_mount fs/namespace.c:3337 [inline] __do_sys_mount fs/namespace.c:3545 [inline] __se_sys_mount+0x2d2/0x3c0 fs/namespace.c:3522 __x64_sys_mount+0xbf/0xd0 fs/namespace.c:3522 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f6b37093ada Code: 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f6b35e05f88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f6b37093ada RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f6b35e05fe0 RBP: 00007f6b35e06020 R08: 00007f6b35e06020 R09: 0000000020000000 R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000000 R13: 0000000020000100 R14: 00007f6b35e05fe0 R15: 0000000020012f00 Modules linked in: ---[ end trace 84165c5a1ca8c83d ]--- RIP: 0010:__fscrypt_inode_uses_inline_crypto fs/crypto/inline_crypt.c:233 [inline] RIP: 0010:fscrypt_inode_uses_inline_crypto include/linux/fscrypt.h:798 [inline] RIP: 0010:fscrypt_limit_io_blocks+0xc7/0x2a0 fs/crypto/inline_crypt.c:477 Code: c4 c8 02 00 00 4d 89 e6 49 c1 ee 03 43 80 3c 2e 00 74 08 4c 89 e7 e8 18 90 db ff 49 8b 1c 24 48 83 c3 11 48 89 d8 48 c1 e8 03 <42> 8a 04 28 84 c0 0f 85 53 01 00 00 0f b6 1b 31 ff 89 de e8 51 46 RSP: 0018:ffffc900017a7260 EFLAGS: 00010202 RAX: 0000000000000002 RBX: 0000000000000011 RCX: 0000000000000002 RDX: ffff88816b7c13c0 RSI: 0000000000008000 RDI: 0000000000008000 RBP: ffffc900017a7290 R08: ffffffff81d84dff R09: ffffed102bf679a3 R10: ffffed102bf679a3 R11: 1ffff1102bf679a2 R12: ffff88815fb3d018 R13: dffffc0000000000 R14: 1ffff1102bf67a03 R15: 0000000000000001 FS: 00007f6b35e06700(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f4e1c557718 CR3: 0000000119394000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000005 DR6: 00000000ffff0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess), 1 bytes skipped: 0: c8 02 00 00 enterq $0x2,$0x0 4: 4d 89 e6 mov %r12,%r14 7: 49 c1 ee 03 shr $0x3,%r14 b: 43 80 3c 2e 00 cmpb $0x0,(%r14,%r13,1) 10: 74 08 je 0x1a 12: 4c 89 e7 mov %r12,%rdi 15: e8 18 90 db ff callq 0xffdb9032 1a: 49 8b 1c 24 mov (%r12),%rbx 1e: 48 83 c3 11 add $0x11,%rbx 22: 48 89 d8 mov %rbx,%rax 25: 48 c1 e8 03 shr $0x3,%rax * 29: 42 8a 04 28 mov (%rax,%r13,1),%al <-- trapping instruction 2d: 84 c0 test %al,%al 2f: 0f 85 53 01 00 00 jne 0x188 35: 0f b6 1b movzbl (%rbx),%ebx 38: 31 ff xor %edi,%edi 3a: 89 de mov %ebx,%esi 3c: e8 .byte 0xe8 3d: 51 push %rcx 3e: 46 rex.RX